AFBC-SF0402-771T

Overview

The AFBC-SF0402-771T is a surface-mount ferrite bead from the AFBC-SF0402 series, designed for high-frequency noise suppression in compact electronic circuits. It features a 0402 (1005 metric) package with dimensions of 1 mm length and 0.5 mm width. The component provides an impedance of 770 ohms at its rated frequency with a tolerance of ±25%. It supports a maximum DC current of 500 mA and exhibits a maximum DC resistance of 500 milliohms. The device operates reliably within a temperature range of -40°C to +85°C.

Feature Summary

• Provides effective attenuation of high-frequency electromagnetic interference signals
• Utilizes a compact 0402 surface-mount footprint for space-constrained designs
• Maintains stable electrical performance across specified industrial temperature ranges

Applications

• Power supply input/output filtering
• Battery charger circuit protection
• Portable electronic device signal integrity management
• Energy-efficient system noise suppression

Procurement Notes

Verify the specific impedance value and current rating against the official Abracon datasheet for the AFBC-SF0402-771T before integration. Confirm that the 0402 package dimensions align with your PCB land pattern requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the manufacturer part number to avoid confusion with similar series variants.

Selection Notes

Select this component when high-frequency noise reduction is required in tight spaces. The 0402 size offers a balance between physical footprint and current handling capability. Consider the 500 mA current rating to ensure it exceeds the peak operational current of the target circuit line. Verify that the 770 ohm impedance matches the noise frequency spectrum you intend to suppress.

Part Context

This ferrite bead belongs to Abracon's AFBC-SF0402 series, which focuses on providing reliable EMI suppression solutions in miniature packages. The series is engineered for modern electronics where space efficiency and signal integrity are critical. These components serve as passive filters to protect sensitive circuits from high-frequency disturbances without introducing significant DC voltage drop.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation. Consult the manufacturer's official cross-reference tools or datasheets for verified alternatives.